According to Chainalysis, the total cryptocurrency stolen from individual wallets and exchanges reached $2.17 billion during the same period. This represents a 35% increase compared to the same period last year. Moreover, around 23% of the stolen assets came from individual wallets, highlighting the growing security risks for personal crypto holdings.

Crypto Thefts in the First Half of 2025

During the first six months of 2025, cyberattacks on cryptocurrency exchanges resulted in significant losses. Financial Times reported on November 9, 2025, that the total stolen assets exceeded $2 billion. The largest single incident, the Bybit hack, attributed to North Korean-linked groups, involved approximately $1.5 billion in stolen funds. These figures underscore the need for investors to adopt stricter security measures.

Why Investors Are Moving to Their Own Wallets

Centralized exchange custody solutions carry significant risks due to high-volume attacks. Hardware wallets provide protection by keeping private keys under user control, reducing vulnerability to hacks.

Additionally, self-custody solutions help minimize the risks associated with centralized exchanges and increase the overall security of crypto assets.

The Importance of Self-Custody Solutions

Hardware wallets and cold storage systems are critical for investors. By storing crypto assets offline, these solutions prevent potential hacking attempts. Experts predict that self-custody practices will become increasingly popular in the future.

Hardware wallet manufacturers report a significant increase in sales due to growing security concerns. Ledger, Trezor, and Tangem stand out in the market. Analysts note that both individual and institutional users are turning toward secure storage solutions.

Benefits of Self-Custody:

• Full control over assets

• High protection against cyberattacks

• Reduced centralized exchange risk

• Long-term investment security

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The post Crypto Hacks Surge in 2025: Is Your Exchange Safe? appeared first on Coin Engineer.

Coinbase Data Breach and Stock Losses 

On May 15, company disclosed that some customer support representatives were bribed, granting access to internal systems. This incident led to the theft of personal information from approximately 97,000 users, including names, addresses, email addresses, bank details, and identification documents. The attackers demanded a $20 million ransom, which Coinbase rejected, instead offering a $20 million reward for the capture of the perpetrators. 

Following the breach announcement, Coinbase’s stock price fell 7.2% to $244. The next day, it rose 9% to $266 but closed at $263.10 on May 23 after a 3.23% drop. This volatility indicates significant investor losses. The lawsuit also names CEO Brian Armstrong and CFO Alesia Haas as defendants, with investors claiming crypto exchange misled them by not disclosing the breaches promptly. 

Regulatory Issues in the UK 

The lawsuit highlights that Coinbase was fined $4.5 million by the UK’s Financial Conduct Authority (FCA) in 2024 for violating a 2020 agreement by onboarding high-risk customers. Nessler alleges Coinbase failed to disclose this violation during its IPO, claiming it artificially inflated the stock price and misled investors. 

Additionally, the company faces other lawsuits, including one in Illinois over improper biometric data collection. The company has not yet issued an official statement on these cases, but these events continue to impact Coinbase’s credibility and market value. 

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The post Coinbase Faces Class Action Shock: 2025 Data Breach  appeared first on Coin Engineer.

Support Agents Allegedly Bribed, Millions Affected

In a lawsuit filed on May 16 in a New York federal court, plaintiff Paul Bender alleged that Coinbase failed to protect user data during a serious breach. The incident, which began on May 11, involved cybercriminals bribing support agents to gain access to internal systems.

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The stolen data included names, addresses, phone numbers, emails, the last four digits of Social Security numbers, bank details, driver’s licenses, passports, and account data like balances and transaction history. The attackers reportedly demanded a $20 million ransom, which Coinbase refused to pay.

At Least Six Lawsuits Allege Negligence, Delayed Response

Between May 15 and 16, at least six lawsuits were filed against Coinbase. Plaintiffs allege the exchange failed to maintain proper security measures, delayed informing users, and offered no meaningful steps to mitigate harm.

One California-based lawsuit demands Coinbase delete all sensitive data and hire independent auditors to evaluate its systems. Another suit added a claim of unjust enrichment, arguing that Coinbase underinvested in data security to boost profits.

In a filing with the U.S. Securities and Exchange Commission (SEC), Coinbase estimated potential reimbursement costs to range between $180 million and $400 million. The company has pledged to compensate users who were tricked into sending crypto due to phishing scams linked to the data breach.

Following the news, Coinbase (COIN) shares initially dropped 7% to $244, but recovered with a 9% gain, closing at $266 on May 16.

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The post Coinbase Faces Legal Firestorm After Massive Customer Data Breach appeared first on Coin Engineer.

In a statement on December 6, Radiant Capital identified the threat actor as “UNC4736,” also known as “Citrine Sleet,” which operates under North Korea’s Reconnaissance General Bureau (RGB).

How the Cyberattack Unfolded

The attack began on September 11 with a malicious ZIP file sent to a Radiant developer. Disguised as a legitimate message from a former contractor, the file built trust to bypass initial suspicion. Radiant Capital later determined that the file was crafted by North Korean threat actors.

The malware spread as it was shared among developers, infecting multiple devices. It conducted malicious activities in the background while presenting a normal interface to users.

Impact of the Hack

• Lending Services Suspended: Radiant halted lending operations on October 16.
• Funds Stolen: $52 million was transferred on October 24.
• Platform Value Drop: Radiant’s total value locked (TVL) plummeted from $300 million at the start of 2023 to just $5.81 million.
• Attribution: Security firm Mandiant attributed the attack to North Korean actors with high confidence.

Radiant Capital emphasized the sophistication of the attack, noting that “traditional security measures, simulations, and even hardware wallets were insufficient to counter the threat.”

North Korea’s Growing Role in Crypto Hacks

Since 2017, North Korea-linked hacker groups have stolen an estimated $3 billion worth of cryptocurrencies through attacks on crypto platforms. The group behind the Radiant Capital hack is reportedly associated with the infamous Lazarus Group.

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The post DeFi Platform Radiant Capital Reveals Details of $50 Million Cyberattack appeared first on Coin Engineer.

The event began with a sudden sell-off of GIGA tokens on November 12. The investor, who goes by the pseudonym “Still in the Game,” revealed they had fallen victim to a hack:

“Today’s massive sale happened because one of my wallets was drained via a fake Zoom link. This is tough, but I’ll stay in the game.”

According to the investigation firm Scam Sniffer, the victim clicked on a fake Zoom meeting link that led them to a site designed to steal crypto wallet security information. The phishing site installed malware on the victim’s device, which allowed the hacker to consolidate assets from three separate wallets into one, seizing all funds.

Onchain Lens, an analytics firm, reported that the hacker stole 95.3 million GIGA tokens, valued at $6.09 million. The hacker converted the stolen GIGA tokens into stablecoins, including $2.1 million worth of Solana (SOL), Tether (USDT), and USD Coin (USDC). The hacker then transferred the stablecoins to a different wallet and moved an additional 700 SOL tokens to the KuCoin exchange.

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The United States Federal Bureau of Investigation (FBI) and a forensic team are involved in the investigation to recover the stolen funds. After the incident, the victim expressed optimism about recovering their loss, saying, “I’ll make it all back and more. Just watch me.”

This event has once again highlighted the critical importance of crypto security. In particular, large exchanges like WazirX have increased security efforts following a recent $235 million cyberattack. WazirX founder Nischal Shetty announced plans to build a decentralized exchange (DEX) where users would have full control over their assets. This platform aims to let users manage their assets freely and includes a DEX token for platform fees and governance.

Crypto investors are strongly advised to be cautious when clicking links and to double down on authentication measures to protect themselves from such cyberattacks.

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The post The Reason Behind the Major Drop in GIGA Revealed! appeared first on Coin Engineer.

The Boge (BOGE) team confirmed the attack in a tweet on May 27th. The team’s statement explained that attackers exploited a similar vulnerability as in the recent meme coin Normie hack.

Blockchain data shows that an account ending in “bAOC” initiated over 120 transactions on Base on May 27th. Each transaction resulted in the transfer of hundreds of thousands of BOGE to the account, totaling 91.4 million BOGE stolen.

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After stealing the 91.4 million BOGE, the attackers converted them into 4.47 Ethereum worth $16,926. According to CoinGecko data, the price of BOGE plummeted by around 95% after the attack, effectively wiping out its value.

The team’s statement assured investors that a snapshot of all current holders has been taken and the project will be relaunched:

We have taken a snapshot of all current holders and are preparing to relaunch the project. Our primary focus is to ensure that everyone is well taken care of during this transition. We will be redistributing the total BOGE token supply to all holders for free.

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